Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, the average high-temperature stands at a still warm 25.3°C (77.5°F), closely aligned with November's 23.7°C (74.7°F). An average low-temperature of 18.7°C (65.7°F) is observed during the December nights.Humidity
The average relative humidity in December in Catherine Hill Bay is 74%.Rainfall
In Catherine Hill Bay, in December, during 14 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, in Catherine Hill Bay, there are 160.9 rainfall days, and 620mm (24.41") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 14h and 18min of daylight.On the first day of December, sunrise is at 5:37 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:05 pm AEDT.
Sunshine
The months with the most sunshine are November and December, with an average of 9.8h of sunshine.UV index
The months with the highest UV index in Catherine Hill Bay, Australia, are January, February, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 6 transforms into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are December temperatures in Catherine Hill Bay?
What is the average humidity in December in Catherine Hill Bay?
How many days does it rain in December in Catherine Hill Bay?
When are the longest days in Catherine Hill Bay?
How many hours of daylight does Catherine Hill Bay have in December?
When are sunrise and sunset in December in Catherine Hill Bay?
What is the month with the most sunshine in Catherine Hill Bay?
How many hours of sunshine does Catherine Hill Bay have in December?
What is the month with the highest UV index in Catherine Hill Bay?
What is the UV index reading in December in Catherine Hill Bay?
Average temperature in December
Catherine Hill Bay, Australia
- Average high temperature in December: 25.3°C
The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in December: 18.7°C
The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is August (10.8°C).
Average pressure in December
Catherine Hill Bay, Australia
- Average pressure in December: 1013.4mbar
The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed in December
Catherine Hill Bay, Australia
- Average wind speed in December: 15.8km/h
The windiest month (with the highest average wind speed) is August (16.7km/h).
The calmest month (with the lowest average wind speed) is April (14.1km/h).
Average humidity in December
Catherine Hill Bay, Australia
- Average humidity in December: 74%
The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are August and September (69%).
Average rainfall in December
Catherine Hill Bay, Australia
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is February (79mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in December
Catherine Hill Bay, Australia
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (10.2 days).
Average daylight in December /
Average sunshine in December
Catherine Hill Bay, Australia
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in December: 9h and 5min
The months with the most sunshine are November and December (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Catherine Hill Bay, Australia
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in December
Catherine Hill Bay, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in December
Catherine Hill Bay, Australia
- Average cloud cover in December: 35
The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are August and September (Cloud cover 24).
Average visibility in December
Catherine Hill Bay, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Catherine Hill Bay, Australia
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